- let emitter = EmitterWriter::new(box io::sink(), None, false, false, false, None, false);
- let handler = Handler::with_emitter(false, None, box emitter);
+ let emitter = EmitterWriter::new(Box::new(io::sink()), None, false, false, false, None, false);
+ let handler = Handler::with_emitter(false, None, Box::new(emitter));